~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/sound/soc/blackfin/bf5xx-ssm2602.c

Version: ~ [ linux-5.14-rc3 ] ~ [ linux-5.13.5 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.53 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.135 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.198 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.240 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.276 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.276 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * File:         sound/soc/blackfin/bf5xx-ssm2602.c
  3  * Author:       Cliff Cai <Cliff.Cai@analog.com>
  4  *
  5  * Created:      Tue June 06 2008
  6  * Description:  board driver for SSM2602 sound chip
  7  *
  8  * Modified:
  9  *               Copyright 2008 Analog Devices Inc.
 10  *
 11  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
 12  *
 13  * This program is free software; you can redistribute it and/or modify
 14  * it under the terms of the GNU General Public License as published by
 15  * the Free Software Foundation; either version 2 of the License, or
 16  * (at your option) any later version.
 17  *
 18  * This program is distributed in the hope that it will be useful,
 19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 21  * GNU General Public License for more details.
 22  *
 23  * You should have received a copy of the GNU General Public License
 24  * along with this program; if not, see the file COPYING, or write
 25  * to the Free Software Foundation, Inc.,
 26  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 27  */
 28 
 29 #include <linux/module.h>
 30 #include <linux/moduleparam.h>
 31 #include <linux/device.h>
 32 
 33 #include <sound/core.h>
 34 #include <sound/pcm.h>
 35 #include <sound/soc.h>
 36 #include <sound/pcm_params.h>
 37 
 38 #include <asm/dma.h>
 39 #include <asm/portmux.h>
 40 #include <linux/gpio.h>
 41 #include "../codecs/ssm2602.h"
 42 #include "bf5xx-sport.h"
 43 
 44 static struct snd_soc_card bf5xx_ssm2602;
 45 
 46 static int bf5xx_ssm2602_dai_init(struct snd_soc_pcm_runtime *rtd)
 47 {
 48         /*
 49          * If you are using a crystal source which frequency is not 12MHz
 50          * then modify the below case statement with frequency of the crystal.
 51          *
 52          * If you are using the SPORT to generate clocking then this is
 53          * where to do it.
 54          */
 55         return snd_soc_dai_set_sysclk(rtd->codec_dai, SSM2602_SYSCLK, 12000000,
 56                 SND_SOC_CLOCK_IN);
 57 }
 58 
 59 /* CODEC is master for BCLK and LRC in this configuration. */
 60 #define BF5XX_SSM2602_DAIFMT (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | \
 61                                 SND_SOC_DAIFMT_CBM_CFM)
 62 
 63 static struct snd_soc_dai_link bf5xx_ssm2602_dai[] = {
 64         {
 65                 .name = "ssm2602",
 66                 .stream_name = "SSM2602",
 67                 .cpu_dai_name = "bfin-i2s.0",
 68                 .codec_dai_name = "ssm2602-hifi",
 69                 .platform_name = "bfin-i2s-pcm-audio",
 70                 .codec_name = "ssm2602.0-001b",
 71                 .init = bf5xx_ssm2602_dai_init,
 72                 .dai_fmt = BF5XX_SSM2602_DAIFMT,
 73         },
 74         {
 75                 .name = "ssm2602",
 76                 .stream_name = "SSM2602",
 77                 .cpu_dai_name = "bfin-i2s.1",
 78                 .codec_dai_name = "ssm2602-hifi",
 79                 .platform_name = "bfin-i2s-pcm-audio",
 80                 .codec_name = "ssm2602.0-001b",
 81                 .init = bf5xx_ssm2602_dai_init,
 82                 .dai_fmt = BF5XX_SSM2602_DAIFMT,
 83         },
 84 };
 85 
 86 static struct snd_soc_card bf5xx_ssm2602 = {
 87         .name = "bfin-ssm2602",
 88         .owner = THIS_MODULE,
 89         .dai_link = &bf5xx_ssm2602_dai[CONFIG_SND_BF5XX_SPORT_NUM],
 90         .num_links = 1,
 91 };
 92 
 93 static struct platform_device *bf5xx_ssm2602_snd_device;
 94 
 95 static int __init bf5xx_ssm2602_init(void)
 96 {
 97         int ret;
 98 
 99         pr_debug("%s enter\n", __func__);
100         bf5xx_ssm2602_snd_device = platform_device_alloc("soc-audio", -1);
101         if (!bf5xx_ssm2602_snd_device)
102                 return -ENOMEM;
103 
104         platform_set_drvdata(bf5xx_ssm2602_snd_device, &bf5xx_ssm2602);
105         ret = platform_device_add(bf5xx_ssm2602_snd_device);
106 
107         if (ret)
108                 platform_device_put(bf5xx_ssm2602_snd_device);
109 
110         return ret;
111 }
112 
113 static void __exit bf5xx_ssm2602_exit(void)
114 {
115         pr_debug("%s enter\n", __func__);
116         platform_device_unregister(bf5xx_ssm2602_snd_device);
117 }
118 
119 module_init(bf5xx_ssm2602_init);
120 module_exit(bf5xx_ssm2602_exit);
121 
122 /* Module information */
123 MODULE_AUTHOR("Cliff Cai");
124 MODULE_DESCRIPTION("ALSA SoC SSM2602 BF527-EZKIT");
125 MODULE_LICENSE("GPL");
126 
127 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp